San Mateo County ― Caltrans has scheduled overnight closures of the southbound U.S. 101 off-ramps at SR-92 and Fashion Island Boulevard in San Mateo. The ramps will be closed on Thursday night, August 21, and Friday night, August 22.
The ramps will be closed so that crews can safely install temporary concrete barriers, known as K-rails. Motorists are advised to expect delays and allow extra time for their commute. Changeable message signs (CMS) and detour signs will be posted. Please drive with caution.
Detour information:
Southbound U.S. 101 to Fashion Island Boulevard will be closed from 8 p.m. to 5 a.m.
- Exit at Hillsdale Boulevard and turn left onto Hillsdale Boulevard.
- Proceed to Norfolk Street and turn left.
- Continue to reach Fashion Island Boulevard.
Southbound U.S. 101 to eastbound or westbound SR-92 will be closed from 10 p.m. to 5 a.m.
- Exit at Hillsdale Boulevard and take eastbound Hillsdale Boulevard.
- Take loop to northbound U.S. 101.
- From northbound U.S. 101, follow signs to SR-92 in desired direction.
All work is weather dependent. Please drive with caution. Thank you for your patience as we work to maintain our state’s highways, bridges, and tunnels.
For real-time traffic, click on Caltrans QuickMap: http://quickmap.dot.ca.gov/